音ã§äººé–“ã‚’æµ®éŠã•ã›ã‚ˆã†ã¨ã„ã†è¨ˆç”»ãŒå¤§ããå‰é€²ã™ã‚‹éŸ³ã‚’使ã£ã¦ç‰©ä½“ã‚’æµ®éŠã•ã›ã‚‹ã€ŒAcoustic tractor beam(音響トラクタービーム)ã€ã®ç ”究ã§ã€æµ®éŠã•ã›ã‚‰ã‚Œã‚‹ã‚µã‚¤ã‚ºã®é™ç•Œã‚’å–り払ã†æˆæžœãŒä¸ŠãŒã£ã¦ã„ã¾ã™ã€‚ã“ã‚Œã«ã‚ˆã£ã¦ã€äººé–“ã‚’æµ®éŠã•ã›ã‚‰ã‚Œã‚‹å¯èƒ½æ€§ãŒå‡ºã¦ãã¦ã„ã¾ã™ã€‚ Phys. Rev. Lett. 120, 044301 (2018) - Acoustic Virtual Vortices with Tunable Orbital Angular Momentum for Trapping of Mie Particles https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.120.044301 The world's most powerful acoustic tractor beam could pave the way for levitating human
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